Home / 8,957.33-13,434.50-2,715.85

Finding the Fourth Proportional to 8,957.33, 13,434.50 and 2,715.85

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Solution

The fourth proportional to 8,957.33, 13,434.50 and 2,715.85 is: 4,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.33 : 13,434.50 = 2,715.85 : x
  2. Step 2: Convert to fraction form
    8,957.33/13,434.50 = 2,715.85/x
  3. Step 3: Cross multiply
    8,957.33x = 13,434.50 × 2,715.85
  4. Step 4: Simplify right side
    8,957.33x = 36,486,095.13
  5. Step 5: Solve for x
    x = 36,486,095.13/8,957.33
  6. Step 6: Final answer
    x = 4,073.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.